This is Strebre Delovski’s third appointment in the middle for 2011/12. Rivalry Round saw Streb officiate the Melbourne Heart vs. Melbourne Victory cross-town derby where only three cautions were issued in this historically fiery fixture.

Sydney Match Official Ryan Shepheard will whistle the Central Coast Mariners vs. Perth Glory clash. As an international FIFA Futsal Referee, Ryan has been internationally recognised and travels to Turkmenistan in November to officiate AFC Futsal Championship 2012 (Qualifiers).

Chris Beath returns to the park this weekend after missing round 3 due to a spider bite. Chris officiated more matches in 2010/11 than any other referee and started the 2011/12 A-League season with the round 1 Grand Final rematch between Brisbane Roar vs. Central Coast Mariners.

Peter Green will travel across to Wellington for the first time this season. Having officiated two of the first three A-League fixtures, Peter has also recently returned from refereeing the FIFA World Cup Qualifier in Tehran between Iran vs. Bahrain.

This will be Kris Griffith-Jones first A-League fixture for 2011/12. Kris teams up with Brad Hobson, Nathan Macdonald, and Matt Gillett, officials who have been involved in six matches combined already this season.